books.google.ca - After the 1939 Soviet and 1941 Nazi invasions, the people of Southeast Poland underwent a third and even more terrible ordeal when they were subjected to mass genocide by the Ukrainian Nationalists. Tens of thousands of Poles were tortured and murdered, not by foreign invaders, but by their fellow citizens,...http://books.google.ca/books/about/Genocide_and_Rescue_in_Wo%C5%82y%C5%84.html?id=Mfy2IZcbmHgC&utm_source=gb-gplus-shareGenocide and Rescue in Wołyń